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Katsuya Oikawa patents

Recent patents with Katsuya Oikawa listed as an inventor - additional entries may be under other spellings.


Katsuya Oikawa - Related organizations: Canon Kabushiki Kaisha patents, Cannon Kabushiki Kaisha patents, Kyoto University patents, University Of Tsukuba patents

Diagnostic ultrasound apparatus

06/25/15 - 20150173713 - A novel diagnostic ultrasound apparatus has a plurality of ultrasound probes 1, delay means pairs 4 and 7 arranged respectively in the plurality of ultrasound probes to electronically delay the timings of transmissions or receptions of ultrasonic waves by the ultrasonic transducers, position/orientation detecting means 10 and delay control signal
Inventors: Katsuya Oikawa, Kenichi Nagae, Yasuhiro Someda

Subject information accumulating apparatus

11/27/14 - 20140350358 - The subject information accumulating apparatus includes compression plates configured to compress a subject, an irradiation unit configured to apply light, an acoustic wave detector configured to receive acoustic waves generated within a subject and to output an electric signal, and a controller configured to perform control so that an acoustic
Inventors: Katsuya Oikawa, Toshinobu Tokita, Masakazu Toi, Toshiyuki Kitai

Object information acquiring apparatus

09/18/14 - 20140269190 - An object information acquiring apparatus including: a plurality of receiving elements receiving an acoustic wave propagating from an object and converting the acoustic wave into an electrical signal; a delaying unit aligning phases of electrical signals of M number of channels outputted from the plurality of receiving elements; an eliminator
Inventors: Haruo Yoda, Kenichi Nagae, Katsuya Oikawa

Subject information acquisition apparatus

08/07/14 - 20140221833 - A viscoelasticity measurement reference layer whose elastic modulus and viscosity coefficient are known is included between an ultrasonic wave transmitting/receiving probe and the subject and distributions of elastic modulus and viscosity coefficient inside the subject are calculated from a change over time of strain generated in the viscoelasticity measurement reference
Inventors: Katsuya Oikawa, Kenichi Nagae, Makoto Yamakawa, Tsuyoshi Shiina

Specimen information acquisition apparatus

07/24/14 - 20140206995 - Stepwise pressurization in which, after pressure is instantaneously increased to a certain pressure value, the certain pressure value is kept for a certain time period is performed to measure the variation with time of strain distribution in the specimen and to calculate a stress from strain distribution at a saturation
Inventors: Katsuya Oikawa, Makoto Yamakawa, Tsuyoshi Shiina

Object information acquiring apparatus

11/21/13 - 20130308850 - There is used an object information acquiring apparatus including a probe for electrically scanning an object in first direction and mechanically scanning in second direction intersecting with the first direction, a first delay-and-sum unit for operating a delay-and-sum on a received signal, a memory for storing a first delay-and-sum signal
Inventors: Katsuya Oikawa, Haruo Yoda

Ultrasonic imaging apparatus and method of controlling delay

11/08/12 - 20120281902 - The present invention enables ultrasonic propagation time values after correction of refraction to be calculated in parallel for each receive channel, by using a recurrence relation in the depth direction. Moreover, accumulation of errors can be avoided by using an accurate propagation time value obtained in advance at a reference
Inventors: Katsuya Oikawa, Haruo Yoda

Measuring apparatus

02/23/12 - 20120044785 - Provided is a measuring apparatus, including: a moving mechanism for moving a probe in an elevation direction; a first delay and sum circuit for performing delay and sum of reception signals at individual positions along the elevation direction to output a first add signal; a signal extraction circuit for letting
Inventors: Haruo Yoda, Katsuya Oikawa, Kenichi Nagae

Subject information processing apparatus

08/25/11 - 20110208057 - A subject information processing apparatus having a first device array for transmitting/receiving an elastic wave; a first signal processor for generating a tomographic image from a signal received by the first device array; a second device array for receiving an elastic wave which is generated by irradiating light onto a
Inventors: Katsuya Oikawa

Image forming method using ultrasound and aberration correction method

04/28/11 - 20110098568 - An ultrasound image forming method comprises a first step of receiving a first signal reflected from the object, a second step of obtaining an aberration correction value based on the first signal thus received, a third step of receiving a second signal reflected from the object when a second ultrasound
Inventors: Yasuhiro Someda, Kenichi Nagae, Katsuya Oikawa, Keishi Saito, Yasuyoshi Takai, Hirofumi Taki, Toru Sato

Diagnostic ultrasound apparatus

12/03/09 - 20090299185 - A novel diagnostic ultrasound apparatus has a plurality of ultrasound probes 1, delay means pairs 4 and 7 arranged respectively in the plurality of ultrasound probes to electronically delay the timings of transmissions or receptions of ultrasonic waves by the ultrasonic transducers, position/orientation detecting means 10 and delay control signal
Inventors: Katsuya Oikawa, Kenichi Nagae, Yasuhiro Someda

Ultrasonic measurement apparatus

11/05/09 - 20090275837 - A processing unit calculates first displacement related information concerning a first direction of an object to be measured by using data in either one of an increase period and a decrease period of a force applied to the objected to be measured, among first received data received by a first
Inventors: Tsuyoshi Shiina, Yasuhiro Someda, Kenichi Nagae, Katsuya Oikawa

Light-emitting device and production method thereof

03/26/09 - 20090081358 - A light-emitting device is provided that is excellent in light emission efficiency and stability. The light-emitting device has a first part of a first dielectric constant, a second part of a second dielectric constant and a third part of a third dielectric constant, and has a triple junction where they
Inventors: Tatsuya Iwasaki, Tohru Den, Katsuya Oikawa


### Katsuya Oikawa patent invention listings

The bibliographic references displayed about Katsuya Oikawa's patents are for a recent sample of Katsuya Oikawa's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Katsuya Oikawa filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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